Search Result
107 expansions found
500 SE
Company
Gigatron, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four socketed 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
Gigatron 500 SE - front side
front side
Gigatron 500 SE - front side
front side
Gigatron 500 SE - back side
back side
Gigatron 500 SE - back side
back side
Vintage Advert

Advert (DE)
1989-10

Advert (DE)
1990-01

Advert (DE)
1990-02

Advert (DE)
1990-03

Advert (DE)
1990-05

Advert (DE)
1990-07

Advert (DE)
1990-11

A2MB-500
Company
Roßmöller, Germany
Date
1988
Amiga
A500
Interface
trapdoor slot
  • sixteen DIP sockets with 2 MB RAM
  • 1M×1, 100 ns DIPs
  • the main board connects to the trapdoor slot
  • the adaptor board connects to the Gary socket
  • disable switch
  • battery backed up clock
  • newer revisions have write protection jumper for the clock
  • in case of Big Agnus (8372) the JP2 jumper on the motherboard has to be cut and connected with a wire to the Gary adaptor
Photos
Roßmöller A2MB-500 - front side
front side
Roßmöller A2MB-500 - Card with swapped layers front side
Card with swapped layers, front side
Roßmöller A2MB-500 - Card with swapped layers back side
Card with swapped layers, back side
Roßmöller A2MB-500 - back side
back side
Manual
Vintage Advert

Advert (DE)
1989-12

Advert (DE)
1990-05

Advert (DE)
1990-07

Advert (DE)
1990-10

A301
Company
VCS
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
VCS A301 - front side
front side
VCS A301 - back side
back side

A305 / A306
Company
VCS
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 DIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
VCS A305 / A306 - front side
front side
VCS A305 / A306 - back side
back side

A500 2MB (ra-i5010)
Company
MicroniK, Germany
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM
  • sixteen 256k×4 DIPs
  • 512 kB / 1 MB Chip RAM jumper
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
  • battery backed up clock
  • disable jumper

A500 Pro-RAM
Company
W.T.S. Electronics, UK
Date
1991
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM - expands the A500 to 1 MB Chip RAM
  • sixteen socketed 256k×1 DIPs
  • optional battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
W.T.S. Electronics A500 Pro-RAM - front side
front side
W.T.S. Electronics A500 Pro-RAM - back side
back side

A500+ 1MB (ra-i5020)
Company
MicroniK, Germany
Amiga
A500+
Interface
trapdoor slot
  • 1 MB RAM
  • eight 256k×4 DIPs
  • connects to the trapdoor slot

A501
Company
Commodore, USA
Date
1987
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • rev 5 (1987) and before: sixteen 256k×1 DIPs
  • rev 6 (1988) and after: four 256k×4 DIPs
  • battery backed up clock
  • rechargeable Ni-Cad battery
  • metal shield
  • connects to the trapdoor slot
Photos
Commodore A501 - front side
front side
Commodore A501 - back side
back side
Commodore A501 - Rev 6 front side
Rev 6, front side
Commodore A501 - Rev 6 back side
Rev 6, back side
Commodore A501 - Rev 6 front side
Rev 6, front side
Commodore A501 - Rev 6 back side
Rev 6, back side
Commodore A501 - Rev 5 back side
Rev 5, back side
Commodore A501 - Rev 5 back side
Rev 5, back side
Vintage Advert

Advert Part 1 (AU)
1991-07

Advert Part 2 (AU)
1991-07

A501+
Company
Commodore, USA
Date
1991
Amiga
A500+
Interface
trapdoor slot
  • 1 MB Chip RAM
  • eight 256k×4, 70 ns DIPs, soldered on board
  • optional battery backed up clock
  • metal shield
  • connects to the trapdoor slot
Photos
Commodore A501+ - front side
front side
Commodore A501+ - back side
back side

A502 & A502 Plus
Company
3-State, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 DRAM chips
  • connects to the trapdoor slot
  • optional battery backed up clock
  • disable switch
Photos
3-State A502 & A502 Plus - front side
front side
3-State A502 & A502 Plus - front side
front side
3-State A502 & A502 Plus - back side
back side
3-State A502 & A502 Plus - back side
back side
Manual
Vintage Advert

Advert (DE)
1989-10

Advert (DE)
1990-05

Advert (DE)
1990-06

Advert (DE)
1990-07

Advert (DE)
1990-08

Advert (DE)
1991-01

Advert (DE)
1992-02

Advert (DE)
1992-08

A502/16
Company
3-State, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot
  • sixteen DIP sockets with 512 kB RAM
  • 256k×1, 120 ns DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
3-State A502/16 - front side
front side
3-State A502/16 - front side
front side
3-State A502/16 - back side
back side
3-State A502/16 - front side
front side
3-State A502/16 - back side
back side
3-State A502/16 - back side
back side

A502/4 & A502/4 Plus
Company
3-State, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot
  • four ZIP sockets with 2 MB RAM
  • 1M×4 ZIPs (514400)
    • A502/4: 80 ns ZIPs
    • A502/4 Plus: 70 ns ZIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable switch

A504 Plus
Company
3-State, Germany
Date
1991
Amiga
A500+
Interface
trapdoor slot
  • 1 MB Chip RAM
  • 32 1×256k 120 ns DIPs
  • plugs into the trapdoor slot
Photos
3-State A504 Plus - front side
front side
3-State A504 Plus - front side
front side
3-State A504 Plus - back side
back side
3-State A504 Plus - front side
front side
3-State A504 Plus - back side
back side
Vintage Advert

Advert (DE)
1992-02

Advert (DE)
1992-08

A512
Company
Roßmöller, Germany
Date
1988
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 DIPs soldered on board
  • battery backed up clock
  • connects to the trapdoor slot
  • disable switch
Photos
Roßmöller A512 - front side
front side
Roßmöller A512 - back side
back side
Vintage Advert

Advert (DE)
1990-05

Advert (DE)
1990-07

A52Mb
Company
M-Tec, Germany
Date
1993
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM
  • sixteen 1M×1 chips soldered to board
  • connects to the trapdoor slot
  • an adaptor connects to the Gary socket
  • opional battery backed up clock
  • clock write protection jumper
Photos
M-Tec A52Mb - front side
front side
M-Tec A52Mb - back side
back side
Vintage Advert

Advert (DE)
1993-01

A52MbZIP
Company
M-Tec, Germany
Date
1993
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM
  • sixteen 1M×1 ZIPs soldered to board
  • connects to the trapdoor slot
  • an adaptor connects to the Gary socket
  • battery backed up clock
  • clock write protection jumper
  • disable switch
Photos
M-Tec A52MbZIP - front side
front side
M-Tec A52MbZIP - with Gary adaptor front side
with Gary adaptor, front side
M-Tec A52MbZIP - back side
back side
M-Tec A52MbZIP - with Gary adaptor front side
with Gary adaptor, front side
M-Tec A52MbZIP - back side
back side
Vintage Advert

Advert (DE)
1995-12

Advert (DE)
1995-12

A562
Company
3-State, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot
    clock
  • a simple battery backed up clock
  • connects to the trapdoor slot
  • passthrough connector for trapdoor memory expansions

A580 & A580 Plus
Company
3-State, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket, CPU slot
  • both versions use the same main board, they differ only in the adapter boards
  • sixteen DIP sockets accept 2 MB RAM
  • supports 256k×4 DIPs (514256), 70 - 80 ns
  • accepts DIPs in groups of four giving 0.5, 1, 1.5 or 2 MB configurations
  • battery backed up clock
  • disable switch
  • the main board connects to the trapdoor slot
  • A580:
    • the adaptor board connects to Gary's socket
    • can use only 1.8 MB RAM of the main board
  • A580 Plus:
    • the adaptor board connects to the 68000's socket
    • can use all 2 MB RAM of the main board
    • requires Fat Agnus 8372A
    • Chip RAM size can be switched between 512 kB and 1 MB
Photos
3-State A580 & A580 Plus - front side
front side
3-State A580 & A580 Plus - front side
front side
3-State A580 & A580 Plus - back side
back side
Manual
Vintage Advert

Advert (DE)
1990-05

Advert (DE)
1990-06

Advert (DE)
1990-07

Advert (DE)
1990-08

Advert (DE)
1991-01

Advert (DE)
1992-02

Advert (DE)
1992-08

Advert (DE)
1993-01

A580 II
Company
3-State, Germany
Date
1992
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM
  • two 30 pin 128 kB SIPs soldered on board
  • battery backed up clock
  • disable switch
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
Photos
3-State A580 II - front side
front side

ADD501
Company
Ashcom Design, UK
Date
1989
Amiga
A500
Interface
trapdoor slot
No description available.
Vintage Advert

Advert (GB)
1989-06

Advert (GB)
1989-09

Advert (GB)
1991-07

AdRAM 505
Company
ICD, USA
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock

AdRAM 510 Plus
Company
ICD, USA
Date
1992
Amiga
A500+
Interface
trapdoor slot
  • 1 MB Chip RAM
  • eight 256k×4 DIPs
  • connects to the trapdoor slot
  • no disable switch

AdRAM 520
Company
ICD, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets accept up to 2 MB RAM
  • supports 256k×4 DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2 MB configurations
  • can be configured to provide 512 kB Chip RAM and up to 1.5 MB Fast RAM
  • battery backed up clock
  • the RAM board connects to the trapdoor slot
  • the adapter board connects to Gary's socket - if 1 MB Chip RAM is present, a wire has to be soldered between the adaptor and the motherboard

AdRAM 540 & 560
Company
ICD, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets accept 4 MB RAM (AdRAM 540)
  • supports 256k×4 (414256), 70 - 120 ns DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4 MB configurations
  • expandable to 6 MB with the optional AdRAM 560 board
  • only 4 MB of 6 is continuous
  • only 2.5 MB RAM is autoconfigured
  • the 1.5 MB option does not work properly with Kickstart 1.2 when the RAM chips are installed in the first three banks
    • install one megabyte in the first two blocks (those get automatically recognized) and install the rest of the chips in one of the last four blocks (those will be recognized by the AdRAM program)
  • no disable switch
  • battery backed up clock
  • the RAM board connects to the trapdoor slot
  • the adapter board connects to Gary's socket - if 1 MB Chip RAM is present, a wire has to be soldered between the adaptor and the motherboard
Photos
ICD AdRAM 540 & 560 - front side
front side
ICD AdRAM 540 & 560 - with 560D front side
with 560D, front side
ICD AdRAM 540 & 560 - with 560D front side
with 560D, front side
ICD AdRAM 540 & 560 - front side
front side
ICD AdRAM 540 & 560 - back side
back side
Driver / Installation Disk
Vintage Advert

Advert (US)
1990-07

Advert (DE)
1990-07

Advert (US)
1991-07

Alcomp 512k
Company
Alcomp, Germany
Date
1988/1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • 1988: sixteen 256k×1 DIPs
  • 1989: four 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable switch
Photos
Alcomp Alcomp 512k - front side
front side
Alcomp Alcomp 512k - front side
front side
Alcomp Alcomp 512k - back side
back side
Alcomp Alcomp 512k - back side
back side
Vintage Advert

Advert (DE)
1988-02

Advert (DE)
1988-03

Advert (DE)
1988-04

Advert (DE)
1988-06

Advert (DE)
1988-10

AlfaRam RA5-2M
Company
Alfa Data, Taiwan
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets accept up to 2 MB RAM
  • accepts 256k×4, 100 ns or faster DIPs in groups of four
  • 1 MB can be set either as Chip or Fast RAM
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
  • battery backed up clock
Photos
Alfa Data AlfaRam RA5-2M - front side
front side
Alfa Data AlfaRam RA5-2M - back side
back side
Vintage Advert

Advert (US)
1991-12

Advert (US)
1992-06

AlfaRam RA5-4M
Company
Alfa Data, Taiwan
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets accept up to 4 MB RAM
  • accepts 256k×4, 100 ns or faster DIPs in groups of four giving 0.5 to 4 MB configurations in 512kB increments
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
  • battery backed up clock
  • disable switch, connected to jumper JP2 on the board
Manual

AlfaRam RA5-512K
Company
Alfa Data, Taiwan
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four socketed 256k×4, 120 ns DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
Alfa Data AlfaRam RA5-512K - front side
front side
Alfa Data AlfaRam RA5-512K - back side
back side
Vintage Advert

Advert (US)
1991-12

AlfaRam RA5-512K+ / RA5-1M+
Company
Alfa Data, Taiwan
Date
1992
Amiga
A500, A500+
Interface
trapdoor slot
    RA5-512K+ for the A500
  • 512 kB RAM
  • four socketed 256k×4 DIPs
  • battery backed up clock
    RA5-1M+ for the A500+
  • 1 MB RAM
  • eight socketed 256k×4 DIPs
  • both cards use the same PCB
  • connects to the trapdoor slot
  • disable jumper
Photos
Alfa Data AlfaRam RA5-512K+ / RA5-1M+ - front side
front side
Alfa Data AlfaRam RA5-512K+ / RA5-1M+ - back side
back side

AM501
Company
Phoenix Microtechnologies, Australia
Date
1990
Amiga
A500
Interface
trapdoor slot
    memory expansion
  • 512kB RAM
  • four 1M×1 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable switch

Ashcom 1.8MB
Company
Ashcom Design, UK
Date
1990
Amiga
A500
Interface
trapdoor slot
No description available.
Vintage Advert

Advert (GB)
1990-06

Advert (GB)
1991-07

AX-RAM FOUR
Company
S.E. Watts Electronics, Australia
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • provides 2 or 4 MB of additional RAM
  • 4 SIMM sockets
    • takes 1 MB SIMMs in pairs
    • supports 80 or 100 ns SIMMs
    • 2 MB: socket U3 + U5 have to be occupied
  • 1 or 2 MB of the total RAM are Chip RAM, depending on the Agnus revision
  • FastRAM can be autoconfigured, or added manually via AddMem
  • installation is complicated and involves cutting traces on the Amiga motherboard and soldering wires to the GR-2 adapter board
  • RAM present in the A500 (512kB) can be utilised as FastRAM - 2 additional wires have to be soldered from the RAM chips to the AX-RAM board
  • the main board connects to the trapdoor slot
  • the adaptor board GR-2 connects to Gary's socket (Gary has to be replaced on the board)
  • disable switch, has to be connected to the AX-RAM and GR-2 board
  • battery backed up clock
  • jumper settings:
    • Main Board JP2: ON - 2M Agnus OFF - 1M Agnus
    Main Board JP3: ON - 4MB installed OFF - 2MB installed
    GR-2 J1: 1-2 - AutoConfig 2-3 - AddMem
    GR-2 J2: 1-2 - 2M Agnus 2-3 - 1M Agnus
Photos
S.E. Watts Electronics AX-RAM FOUR - Main Card front side
Main Card, front side
S.E. Watts Electronics AX-RAM FOUR - Main Card back side
Main Card, back side
S.E. Watts Electronics AX-RAM FOUR - GR-2 Adapter Board front side
GR-2 Adapter Board, front side
S.E. Watts Electronics AX-RAM FOUR - GR-2 Adapter Board back side
GR-2 Adapter Board, back side
Manual

BASEboard
Company
Expansion Systems, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets accept up to 4 MB Fast RAM
  • supports 256k×4 DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2, 2.5, 3, 3.5 and 4 MB configurations
  • expandable to 6 MB with the optional XRAMboard
  • the RAM board connects to the trapdoor slot
  • an adapter board connects to Gary's socket
  • battery backed up clock
Photos
Expansion Systems BASEboard - front side
front side
Driver / Installation Disk
Vintage Advert

Advert (AU)
1990-11

BASEboard Plus 4
Company
Expansion Systems, USA
Date
1991
Amiga
A500+
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets accept up to 4 MB RAM
  • 1 MB is configured as Chip RAM, 3 MB as Fast RAM
  • supports 256k×4 DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2, 2.5, 3, 3.5 and 4 MB configurations
  • the RAM board connects to the trapdoor slot
  • an adapter board connects to Gary's socket

BigRAM 10
Company
W.A.W. Elektronik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot
  • 1 MB Chip RAM
  • eight 256k×4 DIPs soldered on board
  • connects to the trapdoor slot

BigRAM 25
Company
W.A.W. Elektronik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 20 DIP sockets accept 2.5 MB RAM
  • accepts 256k×4 DIPs (514256) in groups of four
  • supports 0.5, 1, 1.5, 2 or 2.5 MB configurations
  • total RAM:
    • 2.8 MB with Big Agnus 8372A (1 MB Chip RAM, 1.8 MB Fast RAM)
    • 2.3 MB with Fat Agnus 8371 (0.5 MB Chip RAM, 1.8 MB Fast RAM)
  • needs Kickstart 1.3 (with Kickstart 1.2 only 1.5 MB are possible)
  • needs Gary adaptor above 1 MB total RAM
  • fully autoconfiguring
  • disable switch
  • battery backed up clock
  • connects to the trapdoor slot
Photos
W.A.W. Elektronik BigRAM 25 - front side
front side
Vintage Advert

Advert (DE)
1991-01

BigRAM 5
Company
W.A.W. Elektronik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 DIPs soldered on board
  • battery backed up clock
  • connects to the trapdoor slot
  • disable switch
Vintage Advert

Advert (DE)
1991-01

Bittendorf 512k
Company
Datentechnik Bittendorf
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
Photos
Datentechnik Bittendorf Bittendorf 512k - front side
front side
Datentechnik Bittendorf Bittendorf 512k - back side
back side

Blue-Line 512k
Company
Blue-Line, Germany
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Blue-Line Blue-Line 512k - front side
front side
Blue-Line Blue-Line 512k - front side
front side
Blue-Line Blue-Line 512k - back side
back side
Blue-Line Blue-Line 512k - back side
back side

C-Ltd. 502
Company
C-Ltd., USA
Date
1989
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets
  • 512 kB with 256k×1 DIPs
  • 2 MB with 256k×4 DIPs
  • connects to the trapdoor slot
  • the 2 MB version is supplied with a Gary adaptor
  • battery backed up clock
Photos
C-Ltd. C-Ltd. 502 - front side
front side
C-Ltd. C-Ltd. 502 - back side
back side

CA 500.01
Company
Ralf Jochheim Computer Tuning, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot
Autoconfig ID
2050 / 1
  • four DIP sockets with 512 kB RAM
  • 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
Ralf Jochheim Computer Tuning CA 500.01 - front side
front side
Vintage Advert

Advert (DE)
1991-11

CEW 512k
Company
CEW
Date
1987 / 1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • rev 1 (1987): sixteen 256k×1 DIPs
  • rev 2 (1989): four 256k×4 DIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
CEW CEW 512k - front side
front side
CEW CEW 512k - back side
back side

Collion 512k
Company
Collion Computertechnik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot
  • four DIP sockets with 512 kB RAM
  • 256k×4, 70 ns DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
Collion Computertechnik Collion 512k - front side
front side
Collion Computertechnik Collion 512k - front side
front side
Collion Computertechnik Collion 512k - back side
back side
Collion Computertechnik Collion 512k - back side
back side

COM 201
Company
Cumana, UK
Date
1991
Amiga
A500
Interface
trapdoor slot
    ST-506 controller
  • supports MFM coding
  • supports hard disks with up to 8 read / write heads
  • 20 and 34 pin headers for connecting a hard disk externally with a ribbon cable
  • the hard disk needs its own power supply
  • no autoboot capability
    memory
  • 512 kB RAM
  • four 256k×4 DIPs
    notes
  • battery backed up clock
  • connects to the trapdoor slot
  • supplied with custom trapdoor cover plate with cutouts to feed cables through and reach the DIP switch
  • switch to disable RAM
  • optionally delivered with hard disk unit COM 20HE (21 MB)
    DIP switch settings
    1 -RAM: ON - enable RAM
    2 -not used
Manual
Driver / Installation Disk
  • COM201.dms
    install disk
    hdisc.device 2.0 (1990-07-24)
    355 kB
Vintage Advert

Advert (GB)
1992-12

Cortex 512k
Company
Cortex Design Technologies, UK
Date
1990
Amiga
A500
Interface
trapdoor slot
No description available.
Vintage Advert

Advert (GB)
1990-12

Advert (GB)
1991-01

CP500 / Vario
Company
CP Computer Peripherie, Germany
Date
1992
Amiga
A500
Interface
trapdoor slot, Gary socket
  • adds up to 1.8 MB "Ranger RAM"
  • connects to the trapdoor slot
  • Gary adapter
  • with 512 kB on the card, the Gary adaptor is not needed
  • disable switch
Vintage Advert

Advert (DE)
1991-12

CP500 / Vario 2
Company
CP Computer Peripherie, Germany
Date
1992
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets
  • adds up to 1.8 MB "Ranger RAM"
  • connects to the trapdoor slot
  • Gary adapter
  • with 512 kB on the card, the Gary adaptor is not needed

CP500 512 kB
Company
CP Computer Peripherie, Germany
Date
1992
Amiga
A500+
Interface
trapdoor slot
  • 512 kB RAM
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Vintage Advert

Advert (DE)
1991-12

CP500 plus
Company
CP Computer Peripherie, Germany
Date
1992
Amiga
A500
Interface
trapdoor slot
  • 1 MB RAM - expands the A500+ to 2 MB Chip RAM
  • eight socketed 256k×1 DIPs
  • connects to the trapdoor slot
Vintage Advert

Advert (DE)
1991-12

Advert (DE)
1992-02

Advert (DE)
1992-06

CP500 Plus / Vario 3
Company
CP Computer Peripherie, Germany
Date
1992
Amiga
A500+
Interface
trapdoor slot, Gary socket
  • 24 DIP sockets accept up to 3 MB RAM
  • adds 1 MB Chip RAM
  • adds up to 1.8 MB "Ranger RAM"
  • connects to the trapdoor slot
  • Gary and Agnus adapters are supplied
  • with 512 kB or 1 MB RAM on the card, the adaptors are not needed
Photos
CP Computer Peripherie CP500 Plus / Vario 3 - front side
front side
CP Computer Peripherie CP500 Plus / Vario 3 - back side
back side
Vintage Advert

Advert (DE)
1992-02

Advert (DE)
1992-06

D-RAM 512K
Company
Combitec, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Combitec D-RAM 512K - front side
front side
Combitec D-RAM 512K - back side
back side
Vintage Advert

Advert (DE)
1989-03

Advert (DE)
1989-07

Datalux 512k
Company
Datalux
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 or four 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
Datalux Datalux 512k - front side
front side

Elbox 500+/1
Company
Elbox, Poland
Amiga
A500
Interface
trapdoor slot
  • 1 MB Chip RAM
  • 32 256k×1 DIPs, soldered on board
  • connects to the trapdoor slot

Elbox 500/2
Company
Elbox, Poland
Date
1997
Amiga
A500
Interface
trapdoor slot
Autoconfig ID
2206 / 1
  • 2 MB RAM
  • sixteen 256k×4 ZIPs
  • five switchable RAM configurations
  • fully auto configuring
  • connects to the trapdoor slot
  • real time clock with auto-recharge battery

ERAM 500
Company
Tröps Computertechnik, Germany
Date
1988
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen socketed 256k×1 DIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Tröps Computertechnik ERAM 500 - front side
front side
Tröps Computertechnik ERAM 500 - back side
back side
Vintage Advert

Advert (DE)
1989-06

Advert (DE)
1989-08

Advert (DE)
1989-11

Advert (DE)
1989-12

Advert (DE)
1987-12

Advert (DE)
1988-04

ERAM Mega
Company
Tröps & Hierl Computertechnik, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 512 kB RAM - expandable to 1.8 MB with the Mega Modul
  • four 256k×4 (41256) DIPs soldered onto the board
  • connects to the trapdoor slot
  • battery backed up clock - can be write protected
  • disable switch
    optional Mega Modul
  • twelve DIP sockets with 1.5 MB RAM
  • 256k×4 DIPs
  • only 1.8 MB is utilized of the total 2 MB
  • requires at least Kickstart 1.3
  • the Mega Modul is connected in between the trapdoor connector and the ERAM Mega
  • an adaptor board is installed into the Gary's socket and connected to the Mega Modul
Photos
Tröps & Hierl Computertechnik ERAM Mega - front side
front side
Tröps & Hierl Computertechnik ERAM Mega - back side
back side
Vintage Advert

Advert (DE)
1989-12

Advert (DE)
1990-01

Advert (DE)
1990-05

Advert (DE)
1991-07

ESE 285
Company
Cabletronic, Italy
Amiga
A500
Interface
trapdoor slot
    RAM expansion
  • 512 kB RAM
  • four 256k×4 DIPs, soldered to the board
  • connects to the trapdoor slot
Photos
Cabletronic ESE 285 - top side
top side
Cabletronic ESE 285 - bottom side
bottom side

ESE 285-A
Company
Cabletronic, Italy
Amiga
A500+
Interface
trapdoor slot
    RAM expansion
  • 512 kB RAM
  • one 256k×16 RAM chip, soldered to the board
  • connects to the trapdoor slot
Photos
Cabletronic ESE 285-A - top side
top side
Cabletronic ESE 285-A - bottom side
bottom side

Eureka 2MB
Company
Pyramid
Date
1992
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets accept up to 2 MB RAM
  • accepts 256k×4 DIPs in groups of four
  • 1 MB can be set either as Chip or Fast RAM
  • disable jumper
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
  • battery backed up clock
Photos
Pyramid Eureka 2MB - front side
front side
Pyramid Eureka 2MB - back side
back side

Eureka 4MB
Company
Pyramid
Date
1992 / 1994
Amiga
A500
Interface
trapdoor slot, Gary socket
    Chip and/or Fast RAM expansion
  • 2 or 4 MB RAM
  • 1992:
    • 32 DIP sockets
    • takes 256k×4 DIPs in groups of 16
  • 1994:
    • two 72 pin SIMM sockets
    • takes 1 or 2 MB SIMMs, sizes cannot be mixed
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket and is plugged into header JP1 on the main board
  • 1 MB can be used either as Chip or Fast RAM, depending on the setup
  • disable switch
  • battery backed up clock
    RAM Setups
  • Mode 1: FastRAM expansion only
    • no CPU board needed, no soldering required
    • jumper JP2 on expansion main board set to "FAST"
  • Mode 2: FastRAM and 512kB ChipRAM expansion
    • no CPU board needed, but soldering required
    • JP2 on the A500 mainboard has to be cut and a cable has to be soldered that connects the middle pad of that jumper with JP3 on the Gary adaptor board
    • jumper JP2 on expansion main board set to "CHIP"
  • Mode 3: FastRAM and 512kB ChipRAM expansion
    • optional CPU board required, no soldering needed
    • the CPU board plugs into 68000 socket, the CPU is replaced onto the board
    • supplied cable connects the headers JP1 on CPU board and JP2 on Gary adaptor board
    • jumper JP2 on expansion main board set to "CHIP"
Photos
Pyramid Eureka 4MB - front side
front side
Pyramid Eureka 4MB - back side
back side
Manual

Gigatron A500 Plus
Company
Gigatron, Germany
Date
1991
Amiga
A500+
Interface
trapdoor slot
  • 1 MB RAM
  • eight 256k×4 DIPs
  • connects to the trapdoor slot

Golem 1MB
Company
Kupke, Germany
Date
1991
Amiga
A500+
Interface
trapdoor slot
  • 1 MB RAM
  • eight 256k×4 chips
  • connects to the trapdoor slot
Photos
Kupke Golem 1MB - front side
front side
Kupke Golem 1MB - back side
back side

Golem 512k
Company
Kupke, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot
  • four DIP sockets with 512 kB RAM
  • 256k×4, 80 ns DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable jumper
Photos
Kupke Golem 512k - front side
front side
Vintage Advert

Advert (DE)
1992-02

Advert (DE)
1992-04

Insider 2
Company
Hardital, Italy
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 1M×1, 100 ns DIPs for 2 MB RAM
  • can use 1.8 MB RAM only
  • battery backed up clock
  • the main board connects to the trapdoor slot
  • the adaptor board connects to Gary's socket
Vintage Advert

Advert (IT)
1990-03

Insider 4
Company
Hardital, Italy
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets for 2 or 4 MB RAM
  • accepts 256k×4, 80-120 ns DIPs
  • battery backed up clock
  • the main board connects to the trapdoor slot
  • the adaptor board connects to Gary's socket
Photos
Hardital Insider 4 - front side
front side
Hardital Insider 4 - back side
back side

Insider 5
Company
Hardital, Italy
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512kB RAM
  • four 256k×4 RAM chips, socketed
  • battery backed up clock
  • jumper for disable switch
  • connects to the trapdoor slot
Photos
Hardital Insider 5 - front side
front side

JEC 512k
Company
JEC
Date
1991
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • JEC-910701: four 256k×3 and two 256k×2 chips
  • JEC-918000: four 256k×4 chips
  • battery backed up clock
  • disable jumper
  • connects to the trapdoor slot
Photos
JEC JEC 512k - front side
front side
JEC JEC 512k - back side
back side
JEC JEC 512k - front side
front side
JEC JEC 512k - back side
back side

M-Tec 512
Company
M-Tec, Germany
Date
1993
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 chips
  • optional battery backed up clock
  • connects to the trapdoor slot
Photos
M-Tec M-Tec 512 - front side
front side
M-Tec M-Tec 512 - back side
back side
Vintage Advert

Advert (DE)
1993-08

Advert (DE)
1993-11

M501
Company
Microbotics, USA
Date
1988
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1, 120 ns DIPs
  • battery backed up clock
  • rechargeable Ni-Cad battery
  • connects to the trapdoor slot
Photos
Microbotics M501 - front side
front side
Vintage Advert

Advert (US)
1987-09

Advert (US)
1988-02

Advert (US)
1989-04

Advert (GB)
1989-06

M501-s
Company
Microbotics, USA
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • battery backed up clock
  • connects to the trapdoor slot
  • disable switch

M502
Company
Microbotics, USA
Date
1991
Amiga
A500+
Interface
trapdoor slot
  • 1 MB RAM
  • eight 256k×4 DIPs
  • connects to the trapdoor slot

Maximegs
Company
Memory and Storage Technology, Australia
Date
1990
Amiga
A500
Interface
trapdoor slot
  • provides a total of 2.5 MB Chip RAM using bank-switching technique
  • works with 1 MB Fat Agnus and Kickstart 1.3 only
  • bank-switching is realized by software - blocks of memory can be switched between Chip and Fast RAM (or disabled) anytime, except for every vertical sync pulse
  • sixteen DIP sockets filled with 2 MB RAM
  • uses 256k×4 DIPs
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
  • battery backed up clock
Vintage Advert

Advert (DE)
1990-05

Mega 2/8
Company
Neuroth Hardware Design, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM
  • sixteen socketed 1M×1 DIPs
  • battery backed up clock
  • disable switch
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
Photos
Neuroth Hardware Design Mega 2/8 - Mega 2/8 with clock front side
Mega 2/8 with clock, front side
Neuroth Hardware Design Mega 2/8 - Mega 2/8 without clock front side
Mega 2/8 without clock, front side
Neuroth Hardware Design Mega 2/8 - Mega 2/8 without clock back side
Mega 2/8 without clock, back side
Neuroth Hardware Design Mega 2/8 - Mega 2/8 with clock back side
Mega 2/8 with clock, back side
Vintage Advert

Advert (DE)
1991-06

Advert (DE)
1991-07

Advert (DE)
1991-08

Advert (DE)
1992-04

MegaBoard
Company
Zydec, UK
Date
1992
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 1 MB RAM - gives 1.5 MB total
  • eight 256k×4 DIPs soldered onto the board
  • connects to the trapdoor slot
  • an adapter board connects to the Gary socket
  • expandable with a standard 512 kB trapdoor slot RAM expansion (not exceeding 9 cm in length) for 2 MB total
  • disable switch
  • requires Kickstart 1.3

Message Computer 512k
Company
Message Computer, Germany
Date
1987
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • battery backed up clock
  • connects to the trapdoor slot
  • available as complete expansion, kit or just the bare board
  • schematics and PCB layout printed in Amiga Magazin 08/1988
Vintage Advert

Advert (DE)
1988-10

Mini RAM 500
Company
Telmex, Germany
Date
1992
Amiga
A500, A500+
Interface
trapdoor slot
  • the Mini RAM 500 features the same OEM hardware as the Micro Research and Development Pyramid RAM A500

MiniMax 1.8 & MiniMax Plus
Company
Gigatron, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • sixteen DIP sockets accept 2 MB RAM
  • supports 256k×4 (514256) DIPs, 70 ns or faster
  • accepts DIPs in groups of four giving 0.5, 1, 1.5 or 2 MB configurations
  • battery backed up clock
  • disable switch
  • memory autoconfig
  • the main board connects to the trapdoor slot
  • the adaptor board connects to Gary's socket
  • MiniMax 1.8:
    • can use only 1.8 MB RAM of the main board
    • with Kickstart 1.2 the 1.5 MB configuration is not usable
  • MiniMax Plus:
    • can use all 2 MB RAM of the main board
    • requires Fat Agnus
Photos
Gigatron MiniMax 1.8 & MiniMax Plus - with Gary adaptor board front side
with Gary adaptor board, front side
Manual
Vintage Advert

Advert (DE)
1988-04

Advert (DE)
1988-05

Advert (DE)
1988-11

Advert (DE)
1989-01

Advert (DE)
1989-05

Advert (DE)
1989-06

Advert (DE)
1989-08

Advert (DE)
1989-10

Advert (DE)
1990-01

Advert (DE)
1990-02

Advert (DE)
1990-03

Advert (DE)
1990-05

Advert (DE)
1990-07

Advert (DE)
1990-11

Advert (DE)
1991-08

Advert (DE)
1991-11

MP500B
Company
Marpet Developments, UK
Date
1993
Amiga
A500+
Interface
trapdoor slot
  • 512 kB or 1 MB Chip RAM
  • four 30 pin SIMM sockets filled with two or four 256 kB SIMMs
  • fits into the trapdoor connector
  • disable jumper
Photos
Marpet Developments MP500B - front side
front side
Marpet Developments MP500B - back side
back side

MP502A
Company
Marpet Developments, UK
Date
1993
Amiga
A500
Interface
trapdoor slot
  • 512 kB Chip RAM
  • two 30 pin SIMM sockets filled with 256 kB SIMMs
  • fits into the trapdoor connector
  • optional battery backed-up clock
  • disable jumper

Neuroth 512
Company
Neuroth Hardware Design, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 chips
  • battery backed up clock
  • connects to the trapdoor slot
Vintage Advert

Advert (DE)
1990-06

Advert (DE)
1990-07

Power PC Board
Company
Kolff Computer Supplies, Netherlands
Date
1990
Amiga
A500
A2000

-
-
Interface
trapdoor slot
Zorro II
Autoconfig ID
767 / 0
    IBM XT emulation
  • A500: connects to the trapdoor connector
  • Zorro II: the same A500 version is connected to a Zorro II adapter card
  • Power PC Board v1:
    • NEC V30 @ 8 MHz processor
    • does not support hard drives, only floppy drives
    • revision 1 boards can be identified by board label "P25-41"
  • Power PC Board v2:
    • NEC V30 @ 10 MHz processor
    • supports HD controllers but a special driver is necessary
    • software revision 2.90 supports the following HD controllers: A.L.F. (OMTI), A590 (OMTI, SCSI), Golem HD3000 (OMTI), Profex HD3000 (OMTI), Winner I (OMTI), F.S.E. (OMTI), Rex Datentechnik (OMTI), SupraDrive 500XP (SCSI), GVP A500+ (SCSI)
    • much faster video emulation (CGA)
    • revision 1 boards can be identified by board label "P25-42"
  • 1 MB RAM:
    • 704 kB free RAM in MGA/CGA mode
    • 640 kB free RAM in EGA/VGA mode
    • 200 kB extra memory for a reset proof MS-DOS RAM disk
    • the RAM can be used by the Amiga as 512 kB Fast RAM and an additional 512 kB RAM disk
    • the board can use the Amiga's Fast RAM (up to 8 MB) as PC memory
  • does not multitask with the Amiga
  • uses the Amiga internal serial port with up to 19200 bit/s
  • uses the Amiga floppy controller and parallel port
  • video:
    • up to 640×480 in 16 colours
    • MGA 720×348
    • CGA 640/320×200
    • software emulated flicker-fixer in any PC interlace mode
  • battery backed up clock
  • emulated PC sound card
  • not compatible with NTSC Amigas
Photos
Kolff Computer Supplies Power PC Board - Rev 1 front side
Rev 1, front side
Kolff Computer Supplies Power PC Board - Zorro adapter Rev 1.2 with Power PC Board Rev 2 front side
Zorro adapter Rev 1.2 with Power PC Board Rev 2, front side
Kolff Computer Supplies Power PC Board - Zorro adapter Rev 1.2 with Power PC Board Rev 2 back side
Zorro adapter Rev 1.2 with Power PC Board Rev 2, back side
Driver / Installation Disk
Vintage Advert

Advert (GB)
1990-07

Advert (FR)
1990-07

Advert (DE)
1990-12

Advert (GB)
1991-05

Advert (US)
1991-11

Advert (GB)
1991-12

Advert (DE)
1991-12

Advert (US)
1992-04

Advert (GB)
1993-01

Advert (US)
1990-08

Power PC Board Plus
Company
Kolff Computer Supplies, Netherlands
Date
1991
Amiga
A500, A500+, A600
A2000, A3000, A4000

-
-
Interface
trapdoor slot
Zorro II
Autoconfig ID
767 / 0
    IBM XT emulation
  • A500, A500+: connects to the trapdoor connector
  • A600: installed in a plastic case under the A600, which is connected to the trapdoor slot with a short ribbon cable and adaptor board
  • Zorro II: the A500 version is connected to a Zorro II adapter card
  • NEC V30 @ 10 MHz processor
  • 1 MB RAM:
    • 704 kB free RAM in MGA/CGA mode
    • 640 kB free RAM in EGA/VGA mode
    • 200 kB extra memory for a reset proof MS-DOS RAM disk
  • in PC mode the board can use up to 8 MB of Amiga Fast RAM as PC memory
  • in Amiga mode the 1 MB RAM acts as Amiga RAM:
    • A500: 512 kB Chip RAM or 512 kB Fast RAM + 512 kB RAM disk
    • A500+, A600: 1 MB Chip RAM
    • A2000, A3000: 1 MB Fast RAM
    • if an Amiga has 8 MB Fast RAM installed, the Power PC Board supplies 512 Kb of Extra RAM only
  • does not multitask with the Amiga
  • uses the Amiga internal serial port, up to 38400 bit/s on a standard A500
  • uses the printer connected to the parallel port
  • uses the Amiga mouse and joystick
  • can use four Amiga floppy disk drives as PC disk drives, supports both 3.5 and 5.25" drives
  • most Amiga hard disk controllers are supported
  • video:
    • MGA (Hercules): 720×348 in 2 colours
    • CGA: 640×200 in 2 colours or 320×200 in 4 colours from a palette of 16
    • EGA: 640×350 in 16 colours from a palette of 64
    • VGA: 640×480 in 16 colours from a palette of 4096
    • software emulated flicker-fixer in any PC interlace mode
  • Adlib and SoundBlaster sound card emulation
  • battery backed up clock for A500 and A600
Photos
Kolff Computer Supplies Power PC Board Plus - front side
front side
Kolff Computer Supplies Power PC Board Plus - back side
back side
Vintage Advert

Advert (GB)
1993-01

Pro-RAM
Company
Intelligent Memory, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot, Gary socket
  • sixteen sockets accept 2 MB RAM
  • accepts 256k×4 chips in groups of four, 70 ns or faster
  • possible configurations are 0.5, 1, 1.5 or 2 MB
  • only 1.8 MB are utilized of the total 2 MB
  • connects to the trapdoor expansion slot
  • an adaptor board plugs into the Gary socket
  • battery backed up clock
  • disable switch
Vintage Advert

Advert (DE)
1989-10

Promigos 512k
Company
Pro-Computer, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 chips
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Pro-Computer Promigos 512k - front side
front side
Pro-Computer Promigos 512k - back side
back side

Protar 512k
Company
Protar, Germany
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 chips
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Protar Protar 512k - front side
front side
Protar Protar 512k - front side
front side
Protar Protar 512k - back side
back side
Protar Protar 512k - back side
back side
Manual

Pyramid RAM A500
Company
Micro R&D, USA
Date
1992
Amiga
A500, A500+
Interface
trapdoor slot
    A500
  • 512 kB RAM
  • two versions:
    • RAM-512K - four 256k×4 chips
    • RAM-512K.C - sixteen 256k×1 chips
  • connects to the trapdoor slot
  • battery backed up clock
    A500+
  • 1 MB RAM
  • eight 256k×4 chips
  • connects to the trapdoor slot
    Notes
  • features the same OEM hardware as the Telmex Mini RAM 500
Photos
Micro R&D Pyramid RAM A500 - front side
front side
Micro R&D Pyramid RAM A500 - back side
back side
Vintage Advert

Advert (US)
1993-04

RamWorks 500
Company
Applied Engineering, USA
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • 16 socketed 256k×1 DIPs
  • connects to the trapdoor slot
  • 3.6 volt NiCad battery backed up clock
  • very high quality, came with a 5 year guarantee
Vintage Advert

Advert (US)
1990-05

Advert (US)
1990-08

RC-500
Company
Golden Image, UK
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • two versions:
    • sixteen 256k×1, 120 ns chips
    • four socketed 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • rechargeable battery
Photos
Golden Image RC-500 - front side
front side
Golden Image RC-500 - back side
back side
Golden Image RC-500 - front side
front side
Golden Image RC-500 - back side
back side
Vintage Advert

Advert (US)
1990-11

Advert (US)
1991-12

Advert (DE)
1992-08

Advert (DE)
1992-10

RE12
Company
Omega Datentechnik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 1.5 MB RAM
  • twelve 256k×4 ZIPs
  • the main board connects to the trapdoor slot
  • the adaptor board RE7 connects to Gary's socket
  • disable switch
  • no battery backed up clock
  • pass-through expansion port connector

RE2
Company
Omega Datentechnik, Germany
Date
1992
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM
  • sixteen 256k×4 ZIPs
  • battery backed up clock
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket

RE3
Company
Omega Datentechnik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 2 MB RAM, but only 1.8 MB can be used
  • sixteen 256k×4 ZIPs
  • battery backed up clock
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket

RE4
Company
Omega Datentechnik, Germany
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1 DIPs
  • battery backed up clock
Photos
Omega Datentechnik RE4 - front side
front side
Omega Datentechnik RE4 - back side
back side

RE5
Company
Omega Datentechnik, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 4 MB RAM
  • 32 256k×4 ZIPs
  • battery backed up clock
  • the main board connects to the trapdoor slot
  • an adaptor board connects to Gary's socket
  • disable switch

Rex 9201
Company
Rex Datentechnik, Germany
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • sixteen 256k×1, 150 ns DIPs
  • connects to the trapdoor slot
  • no battery backed up clock
Photos
Rex Datentechnik Rex 9201 - front side
front side
Rex Datentechnik Rex 9201 - front side
front side
Rex Datentechnik Rex 9201 - back side
back side
Rex Datentechnik Rex 9201 - back side
back side
Vintage Advert

Advert (DE)
1988-10

Rex 9297
Company
Rex Datentechnik / Rauer+Klaas, Germany
Date
1990
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 ZIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Rex Datentechnik / Rauer+Klaas Rex 9297 - front side
front side
Rex Datentechnik / Rauer+Klaas Rex 9297 - back side
back side
Manual
  • Rex9297.pdf
    Bedienungsanleitung / german user manual
    35 kB

RM2MC
Company
Roctec, Hong Kong
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket, 68000 socket
  • 2 MB RAM
  • 16 socketed 256k×4, 70 ns DIPs
  • connects to the trapdoor slot
  • two adapter boards connect to the Gary and 68000 sockets
  • battery backed up clock
  • disable switch
Vintage Advert

Advert (DE)
1991-03

Advert (DE)
1991-10

RM550C
Company
Roctec, Hong Kong
Date
1991
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four socketed 256k×4, 70 ns DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable switch
Photos
Roctec RM550C - front side
front side
Roctec RM550C - back side
back side
Vintage Advert

Advert (US)
1991-01

Advert (DE)
1991-03

Advert (DE)
1991-10

SupraRAM 500
Company
Supra, USA
Date
1987
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • rev 1: sixteen 256k×1 DIPs
  • rev 2: four 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable switch
Photos
Supra SupraRAM 500 - front side
front side
Supra SupraRAM 500 - back side
back side
Vintage Advert

Advert (US)
1991-05

Advert (DE)
1991-06

Advert (DE)
1991-11

Advert (DE)
1991-11

Advert (US)
1991-12

TimeMaster 500
Company
Applied Engineering, USA
Date
1990
Amiga
A500
Interface
trapdoor slot
    clock
  • a simple battery backed up clock
  • connects to the trapdoor slot
Vintage Advert

Advert (US)
1990-08

Trapper (SC501)
Company
Spirit Technology, USA
Date
1989
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • available with sixteen sockets for 256k×1 DIPs or with four sockets for 256k×4 DIPs
  • connects to the trapdoor slot
  • battery backed up clock
  • disable switch
Vintage Advert

Advert (FR)
1989-11

Advert (US)
1990-03

Advert (FR)
1990-07

Advert (FR)
1990-08

Vector 2MB A500i (Professional RAM Board IIIB)
Company
HK-Computer, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot, Gary socket
  • four ZIP sockets with 2 MB RAM
  • 1M×4, 70 - 80 ns ZIPs
  • can be configured as 512 kB Chip + 2 MB Fast RAM or as 1 MB Chip and 1.5 MB Fast RAM
  • battery backed up clock
  • the main board connects to the trapdoor slot, the adaptor board connects to the Gary's socket
Vintage Advert

Advert (DE)
1992-02

Advert (DE)
1992-06

Vector 512kB A500i (Professional RAM Board IIC)
Company
HK-Computer, Germany
Date
1991
Amiga
A500
Interface
trapdoor slot
  • four DIP sockets with 512 kB RAM
  • 256k×4 (514256), 70 - 80 ns DIPs
  • battery backed up clock
    • clock write protection
    • clock disable jumper
  • memory disable jumper
  • connects to the trapdoor slot
Photos
HK-Computer Vector 512kB A500i (Professional RAM Board IIC) - front side
front side
HK-Computer Vector 512kB A500i (Professional RAM Board IIC) - back side
back side
Vintage Advert

Advert (DE)
1992-02

Advert (DE)
1992-06

Vector Mega RAM
Company
HK-Computer, Germany
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • four 256k×4 DRAM chips
  • connects to the trapdoor slot
Photos
HK-Computer Vector Mega RAM - front side
front side
HK-Computer Vector Mega RAM - back side
back side

WizRAM 2.0
Company
IMtronics, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets accept 2 MB RAM
  • accepts 256k×4 ≤100ns DIPs (514256) in groups of four
  • supports 0.5, 1, 1.5 or 2 MB configurations
  • needs Gary adaptor above 1 MB total RAM (without the adaptor board, the expansion adds 512kB)
  • can be used as ChipRAM expansion with Agnus 8372A and supplied flexible Agnus Adapter Board (which connects to pins 54, 55 and 59)
  • fully autoconfiguring
  • battery backed up clock
  • disable jumper/switch
  • the main board connects to the trapdoor slot
  • metal shield to conform with FCC regulations
    Jumper Settings
    JumperDescriptionSetting
    J1Memory CapacityOPEN-OPEN - 512kB
    CLOSED-OPEN - 1MB
    OPEN-CLOSED - 1.5MB
    CLOSED-CLOSED - 1.75 or 2MB
    J2 / J15Memory EnableOPEN - Memory expansion disabled (clock still working)
    CLOSED - Expansion enabled
    J13AgnusCLOSED - Fat Agnus 8372A present
    J13ChipCLOSED - use 512kB as ChipRAM
Manual
  • WizRAM.pdf
    Bedienungsanleitung / german user manual
    9.1 MB
Vintage Advert

Advert (US)
1990-07

Zydec A500 1.5MB
Company
Zydec, UK
Amiga
A500
Interface
trapdoor slot, Gary socket
  • up to 1.5 MB RAM - gives 2 MB total
  • twelve 256k×4 DIPs or sockets
  • 0, 0.5, 1 or 1.5 MB configurations
  • connects to the trapdoor slot
  • an adapter board connects to the Gary socket
  • battery backed up clock
  • disable switch
  • requires Kickstart 1.3

Zydec A500 512K
Company
Zydec, UK
Amiga
A500
Interface
trapdoor slot
  • 512 kB RAM
  • AmRAM-16: sixteen 256k×1 DIPs
  • AmRAM-X: four 256k×4 DIPs
  • AmRAM-Z: four 256k×4 ZIPs
  • battery backed up clock
  • disable switch
  • connects to the trapdoor slot
Photos
Zydec Zydec A500 512K - front side
front side

Zydec A500+ 1MB
Company
Zydec, UK
Date
1991
Amiga
A500+
Interface
trapdoor slot
  • 1 MB RAM
  • eight 256k×4 DIPs
  • connects to the trapdoor slot
  • disable switch